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53741386247640 = 23357135087967441
BaseRepresentation
bin11000011100000101001000…
…01111001010110111011000
321001021121220121110011002120
430032002210033022313120
524020444324334411030
6310144241345101240
714214454435666650
oct1416024417126730
9231247817404076
1053741386247640
111613a659557903
12603b535627820
1323caa38a17330
14d3b150145360
15632e0b9bd010
hex30e0a43cadd8

53741386247640 has 256 divisors, whose sum is σ = 198468946206720. Its totient is φ = 11336601231360.

The previous prime is 53741386247623. The next prime is 53741386247677. The reversal of 53741386247640 is 4674268314735.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55066320 + ... + 56033760.

It is an arithmetic number, because the mean of its divisors is an integer number (775269321120).

Almost surely, 253741386247640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53741386247640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99234473103360).

53741386247640 is an abundant number, since it is smaller than the sum of its proper divisors (144727559959080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53741386247640 is a wasteful number, since it uses less digits than its factorization.

53741386247640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972562 (or 972558 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 60.

The spelling of 53741386247640 in words is "fifty-three trillion, seven hundred forty-one billion, three hundred eighty-six million, two hundred forty-seven thousand, six hundred forty".